Not easy to understand, but easy analogy- why do people (*) buy brand name clothing?
To some point it’s justifiable from a technical standpoint (i.e. wheels) but I have every reason to believe a Moogen oil cap does the same job…
(*) PJB not included, as has been explained in these pages 178.2x (no0bs advised to do search on "$8 Wal Mart" for verification)